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  1. Buch ; Online: Advances in Marine Engineering: Geological Environment and Hazards

    Liu, Xiaolei / Stoesser, Thorsten / Guo, Xingsen

    2023  

    Schlagwörter Technology: general issues ; History of engineering & technology ; gas-hydrate-bearing sediments ; mechanical behavior ; dynamic loading ; discrete element simulation ; macro-meso ; South China Sea ; submarine soft soil ; triaxial test ; mechanical properties ; normalized behavior ; CO2 hydrate slurry ; rheology ; shear-thickening ; Herschel-Bulkley-type model ; sediment acoustic ; frequency dependence ; sound speed ; attenuation ; Biot-Stoll model ; seafloor sediments ; XGBoost ; the East China Sea ; groundwater ; hydrochemistry ; Guangdong coastal zone ; seawater intrusion ; nitrate pollution ; undrained shear strength ; clay samples ; mini-ball penetration test ; low temperature ; strength of bound water ; viscosity of free water ; seafloor bedform ; multibeam bathymetry ; sub-bottom profile ; bottom current ; laterally loaded piles ; initial stiffness ; undrained clay slope ; nonlinear formulations ; finite-element analysis ; cyclic shear test ; silt-steel interface ; stress-displacement mechanical properties ; submarine landslide ; in-situ investigation ; physical modelling ; numerical simulation ; calcareous sand ; cyclic load ; cumulative axial strain ; stiffness ; damping ratio ; deep-buried tunnel ; analytical solution ; anisotropic flow ; conformal mapping ; seepage field ; gas hydrate ; high-resolution seismic ; ultra-high-energy plasma source ; n/a
    Sprache Englisch
    Umfang 1 electronic resource (254 pages)
    Verlag MDPI - Multidisciplinary Digital Publishing Institute
    Erscheinungsort Basel
    Dokumenttyp Buch ; Online
    Anmerkung English
    HBZ-ID HT030374766
    ISBN 9783036570570 ; 3036570578
    Datenquelle ZB MED Katalog Medizin, Gesundheit, Ernährung, Umwelt, Agrar

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  2. Artikel: [Spatial-temporal distributions of dissolved inorganic carbon and its affecting factors in the Yellow River estuary].

    Guo, Xing-Sen / Lü, Ying-Chun / Sun, Zhi-Gao / Wang, Chuan-Yuan / Zhao, Quan-Sheng

    Huan jing ke xue= Huanjing kexue

    2015  Band 36, Heft 2, Seite(n) 457–463

    Abstract: Estuary is an important area contributing to the global carbon cycle. In order to analyze the spatial-temporal distribution characteristics of the dissolved inorganic carbon (DIC) in the surface water of Yellow River estuary. Samples were collected in ... ...

    Abstract Estuary is an important area contributing to the global carbon cycle. In order to analyze the spatial-temporal distribution characteristics of the dissolved inorganic carbon (DIC) in the surface water of Yellow River estuary. Samples were collected in spring, summer, fall, winter of 2013, and discussed the correlation between the content of DIC and environmental factors. The results show that, the DIC concentration of the surface water in Yellow River estuary is in a range of 26.34-39.43 mg x L(-1), and the DIC concentration in freshwater side is higher than that in the sea side. In some areas where the salinity is less than 15 per thousand, the DIC concentration appears significant losses-the maximum loss is 20.46%. Seasonal distribution of performance in descending order is spring, fall, winter, summer. Through principal component analysis, it shows that water temperature, suspended solids, salinity and chlorophyll a are the main factors affecting the variation of the DIC concentration in surface water, their contribution rate is as high as 83% , and alkalinity, pH, dissolved organic carbon, dissolved oxygen and other factors can not be ignored. The loss of DIC in the low area is due to the calcium carbonate sedimentation. DIC presents a gradually increasing trend, which is mainly due to the effects of water retention time, temperature, outside input and environmental conditions.
    Mesh-Begriff(e) Calcium Carbonate ; Carbon/analysis ; Carbon Isotopes ; China ; Chlorophyll ; Environmental Monitoring ; Estuaries ; Rivers ; Seasons ; Spatio-Temporal Analysis ; Temperature
    Chemische Substanzen Carbon Isotopes ; Chlorophyll (1406-65-1) ; Carbon (7440-44-0) ; Calcium Carbonate (H0G9379FGK) ; chlorophyll a (YF5Q9EJC8Y)
    Sprache Chinesisch
    Erscheinungsdatum 2015-02
    Erscheinungsland China
    Dokumenttyp English Abstract ; Journal Article
    ISSN 0250-3301
    ISSN 0250-3301
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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